What is CVE-2024-20259?

CVE-2024-20259 is a high-severity vulnerability in Cisco Catalyst_9100, classified under Heap-based Buffer Overflow. CVSS score: 8.6/10. Published 2024-03-27.

How severe is CVE-2024-20259?

High severity. CVSS v3 base score is 8.6 out of 10.

Buffer overflow in Cisco Catalyst_9100

CVE-2024-20259

A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerabili…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Catalyst_9100
Cisco Catalyst_9105
Cisco Catalyst_9105ax
Cisco Catalyst_9105axi
Cisco Catalyst_9105axw
Cisco Catalyst_9105i
Cisco Catalyst_9105w
Cisco Catalyst_9115
Cisco Catalyst_9115_ap
Cisco Catalyst_9115ax

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20259?: CVE-2024-20259 is a high-severity vulnerability in Cisco Catalyst_9100, classified under Heap-based Buffer Overflow. CVSS score: 8.6/10. Published 2024-03-27.
How severe is CVE-2024-20259?: High severity. CVSS v3 base score is 8.6 out of 10.